Color Comparison Tubes
DWK Life Sciences Kimble™ Exax Brand Nessler Tall-Form Color Comparison Tubes with standard taper Cap Stoppers 
With standard taper Cap Stoppers
DWK Life Sciences Kimble™ Exax Brand Nessler Tall-Form Color Comparison Tubes
Shadowless bottoms transmit undistorted light
DWK Life Sciences Kimble™ Low-Form Color-Comparison Tubes
Shadowless bottom construction allows for viewing with undistorted light
DWK Life Sciences Kimble™ Low Form Nessler Color Comparison Tubes
Fill Kimble™ Low Form Nessler Color Comparison Tubes and let their shadowless bottom transmit undistorted light. No dark spots form when the tubes are filled with liquid and viewed from the top.
DWK Life Sciences Kimble™ Color Comparison APHA Standard Tubes
High-quality glass test tubes that meet Federal and American Public Health Association (APHA) standards
Lovibond™ Model 711-A Nesslerizer System Nessler Tubes
Set of two clear glass Nessler tubes
DWK Life Sciences Kimble™ AOCS Color-Comparison Tubes
Shadowless bottom and sturdy construction make these tubes ideal for AOCS-specific testing
Eisco™ U-Form Glass Absorption Tube 
Made from High Quality, Borosilicate 3.3 Glass
